Minimum Iguana Enclosure Dimensions

Don't make the mistake of starting with an iguana enclosure that's too small - iguanas grow quickly. The following table shows you the minimum enclosure dimensions needed based on the average size in snout-vent length (SVL) and snout-tail length (STL) for the first seven years. So, unless your iguana is full grown, when its STL is more than two-thirds the enclosure width, it's time for a new enclosure.

SVL (in inches))	STL (in inches)	Minimum Dimensions (in feet)
2.5–7	9–18	3 x 1 x 1.5
8–10	20–28	3.5 x 1 x 2.3
11–12	28–36	4.5 x 1.5 x 3
12–14	30–42	5.25 x 1.75 x 3.5
14–16	35–54	6.75 x 2.25 x 4.5
18–20	45–60	7.5 x 2.5 x 5
20–22	50–66	8.25 x 2.75 x 5.5
20–24	50–72	9 x 3 x 6

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